Home / 152,623.35-210,377.48-120,305.57

Finding the Fourth Proportional to 152,623.35, 210,377.48 and 120,305.57

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Solution

The fourth proportional to 152,623.35, 210,377.48 and 120,305.57 is: 165,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,623.35 : 210,377.48 = 120,305.57 : x
  2. Step 2: Convert to fraction form
    152,623.35/210,377.48 = 120,305.57/x
  3. Step 3: Cross multiply
    152,623.35x = 210,377.48 × 120,305.57
  4. Step 4: Simplify right side
    152,623.35x = 25,309,582,646.56
  5. Step 5: Solve for x
    x = 25,309,582,646.56/152,623.35
  6. Step 6: Final answer
    x = 165,830.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.